Update README.md

Signed-off-by: David Fernández Aldana <luskaner@users.noreply.github.com>

launcher/README.md

@@ -10,21 +10,14 @@ Steam or Xbox Live, depending on the platform and version, to fully play offline
 
 ## System Requirements
 
-- GNU/Linux: recent SteamOS and Ubuntu (or derivatives) with official Steam installations on x86-64 are preferred.
-  *arm64*
-  variant need a compatilibity layer to run
-  x86-64 programs.
+- GNU/Linux: recent SteamOS and Ubuntu (or derivatives) with official Steam installations on x86-64 are preferred. *arm64* variant is not currently supported by Steam but it is being worked on.
 - Windows: 10 (no S edition nor S mode) or higher, (possibly Server 2016 or higher) all x86-64 (same as the game).
   Windows 11 on Arm (arm64) or higher, (possibly Server 2025 or higher) - no S mode - is also supported.
 
 **Note: If you allow it to handle the hosts file, local certificate, or an elevated custom game launcher, it will
 require
 admin rights elevation.**
 
-#### Buildable (Experimental)
-
-Other 64-bit architecture variants of linux as long as it has a compatibility layer to run x86-64 programs.
-
 ## Features
 
 ## Server